Simultaneous Analysis of Mucosal and Submucosal Hemodynamics Using Infrared Electronic Endoscopy: Effects of Intraluminal Acid on Ulcer Scars - Tsuji, S; Kawano, S; Hayashi, N; Tsujii, M; Takei, Y; Nagano, K; Sasayama, Y; Kobayashi, I; Fusamoto, H; Kamada, T (Endoscopy, 1995)